______,Lightly prick dough all over with a fork; top with red onion, olives, and pine nuts.,Drizzle with 2 tablespoons olive oil.,Using a cookie sheet or pizza peel, transfer the dough off the foil or parchment onto hot baking sheet.,Bake 8 minutes, or until top is puffed and light golden.,Remove from oven; top with slices of taleggio cheese.,Bake 3 minutes longer, until cheese is just softened.,Remove from oven; top with baby arugula tossed with olive oil.,Place slices of prosciutto over arugula.,Drizzle with olive oil and pepper.